Usefulness of dobutamine echocardiography in distinguishing severe from nonsevere valvular aortic stenosis in patients with depressed left ventricular function and low transvalvular gradients

Christopher R. deFilippi, DuWayne L. Willett, M. Elizabeth Brickner, Christopher P. Appleton, Clyde W. Yancy, Eric J. Eichhorn, Paul A. Grayburn

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257 Scopus citations

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